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Weights and Measures - 2 : Length and Time Units
Table 4 Current Values of Length Units in Jaina canons.
Current Values
Unit
1-d Units
1. Uvasannāsanna or the first smallest unit
2. Trutireņu or Practical atom 10-8 cm.
3. SA or UA, cm.
4. AA
5. PA
6. Yojana, Y
(a) UY, km.
(b) PY, km (500 UY) ( 1000 UY )
7. Rajju, R, km.
8. Jagasreni, J, Km18. 2-d Units
1. Pratarängula, PrA
2. Jagapratara/Pratarāloka,
JP/PL
3-d Units
1. Ghanāngula, GA
2. Ghanāloka, GL
3. Khanduka, k
10-10 cm
0.001, 1.07, 1.70, 1.90
2 UA
500 A, 1000 A
Jain Education International
: 281
0.085, 8.30, 13.28, 15.09 42.83, 4150, 6640, 7545 84.66, 8300, 13280, 15090 Innumerable Yojanas, 3.7 x 1018 - 2.4 x 1021
7 R; 2.6 x 1019-1.68 x 1023
(UA)2 J2
(UA)3 = UA x PrA
J3 = ( 7R )3 - 343 G R
1/64 GR (Ghanarajju )
The above larger units have also their corresponding 2-d and 3-d units named as Prataraloka and Ghanaloka or Loka respectively. These are equal to square and cube of Jagaśreņi unit. Lokaprakāśa21 mentions another 3-d unit of Khanduka, k equal to 1/4 cube of a Rajju. This and its derivative units are not found in Digambara tradition.
The above description of larger units show the PY to be different in different traditions. Thus, descriptions based on them will have a variance and their reliablity will be more mythological. The current century, however, requires uniform value
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